Species · Pennsylvania · BBS 2025 Release · 1966–2024

American Robin Population Trend in Pennsylvania

American Robin in Pennsylvania has held roughly steady: down 7% on the route-weighted index since 1968.

-7%Since 1968
138Routes In State
58Years

Notable American Robin Trends in Pennsylvania

No notable trend signals for American Robin in Pennsylvania. See the full index history below.

American Robin Population Forecast in Pennsylvania

If the recent trend holds, American Robin in Pennsylvania is projected to stay roughly flat through 2029, near 69 (95% range 60–78). A 5-year backtest shows a typical error of ±6%, with 100% of held-out values landing inside the 95% band.

+4%Change by 2029
69Projected 2029 index
607895% range
±6%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
2025696078
2026696078
2027696078
2028696078
2029696078

American Robin Survey Routes in Pennsylvania

Routes recording American Robin in Pennsylvania.
Leola19720241998
Brunnerville18820091969
West Grove17419961966
Collegeville17120241971
Portersville15419881973
Akron15419971989
Aspers15319891968
Sardis14419741967
Pottstown13719871966
Ryde13020051968
Middletown13020241973
Duvall12720211974
Doylesburg12720232009
Pine Gr Mill12520241967
Martinsburg12420241970
Mount Joy12220241978
Millville12020241969
Ralston11619781966
Normalville11019741966
Schaefferstown 210720242002
Schwenksvill10620241988
Beaver10520241969
Roulette10420211970
Bald Eagle10120241969
Sugar Grove9820241980

American Robin Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.